Perhaps you should try some spelling variations:
khong phuong » hong phuong, thong phuong, thuong phuong
chieu sang » chieu sach, chieu xanh, hieu lang
phuong lan » phuong la, thuong lan, phuong linh
doi chieu » doc hieu, doi chi, ho chieu
cua khong » hua khong, cua phuong, cua thuong
lan khan » van khanh, van khang, luan khao
khan cap » khan ap, than cap, khoan cam

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu sang - ((thanh tung) or (thanh cong)) cua khong phuong lan khan cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sang - ((thanh tung) OR (thanh cong)) cua khong phuong lan khan cap.
• Adding a wildcard symbol may retrieve word variants: doi chieu sang - ((thanh tung) or (thanh cong)) cua khong phuong lan khan cap*.